Engine rocker box



FIG. 1 is a perspective view of an engine rocker box;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in FIGS. 3 and 7 are for the purpose ofillustrating portions of the article that form no part of the claimeddesign.

CLAIM We claim the ornamental design for an engine rocker box, as shownand described.